--- In l..., "davidkiryat8" wrote:
> I have read several threads where new ARM programmers like myself have
> encountered a problem where their code (custom board) only runs when
> using the debugger. I have yet to find my problem. I have programmed
> two other ARM boards using the LPC2101 chip with problems. This board
> using the LPC2131 is somehow different.
> The JTAG interface has pulldown and pullup resistors.
> The emulator selection jumper (RTCLK) is left open.
> We have tried manually reseting after power up. the main crystal is
> P0.31 has a pullup resistor.
> My cstartup.s79 and lpc213x.xcl look correct and should create a
> correct crc. How can I check? what are the correct values for the
> Any other suggestion?
> I would like to isolate whether this is a software or hardware problem.
> Does anyone have a zipped IAR LPC213x dummy project (including
> lpc213x.xcl,cstartup.s79 files) that I could just change an output to
> see if it runs without the emulator?
If you just want to know if your hardware is working, *and* you are
prepared to use the ISP interface (as different to JTAG interface),
then simply try install and run SILL on your board.
You can find SILL here at: